Abstract—
Nanowires are one of the most promising building blocks for various nanoelectronic devices. Nanowires are usually grown via the so-called vapor-liquid-solid mechanism on the surfaces activated by the droplets of a catalyst (e.g., Au). Here we theoretically studied the impact of the evaporation from the droplet on the nucleation statistics. Within the semi-analyticalapproach, we obtain the relation between the nucleation time distributions and the evaporation rate of atoms from the droplet. We analyze the Si NW length-time dependences to estimate theeffective lifetime of a silicon atom in a gold-silicon alloy at 550°C is about 5 s.
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ACKNOWLEDGMENTS
The work is supported by Russian Foundation for Basic Research under grants nos. 18-02-01052 and 17-52-53196.
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Sibirev, N.V., Belyaev, V.V. & Berdnikov, Y.S. Estimation of Evaporation Rate from Gold-Silicon Alloy Based on the Nucleation Time and Nanowire Length Distributions. Semiconductors 52, 2120–2123 (2018). https://doi.org/10.1134/S1063782618160303
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DOI: https://doi.org/10.1134/S1063782618160303